Age-related expectations Count repeated groups of the same size (2s / 10s) YR Rapid Recall Recording Multiplication Pictures / Objects Symbols 3 plates, 2 cakes on each plate: 3 plates, 2 cakes on each plate: Counting on in 10s and 2s Mental calculation (see recording) Concrete materials ref Overview of learning 5 Number track – repeated addition Unifix/Counters Pictures / Symbols Y1 Resources Solve (practical) problems that involve combining groups of 2, 5 or 10 Number tracks / Number line (modelled using bead strings) There are three sweets in one bag. How many sweets are there in five bags? Count on / back in 2s, 5s and 10s 2 x 3 or 3 x 2 [two, three times] or [three groups of two] 0 Pictures / Symbols Multiplication as repeated addition and arrays 2 There are four apples in each box. How many apples in six boxes 5 x 3 or 3 x 5 Y2 0 4 2 Repeated addition 3 6 9 Arrays Numicon 6 4 12 Bead string Doubles of numbers to 10, by x 2 3x2=6 2x3=6 NB. Grid wallpaper can be a powerful resource. (see recording) Empty number line Arrays Count in 2s, 5s and 10s Multiples of 2, 5 & 10 Relate to x facts (and related facts) 5 x 3 or 3 x 5 Doubles of TU numbers, by x 2 Dienes Doubles of numbers to 20 15 Place value cards 0 5 10 15 [ref Multiplication facts ITP] Arrays Expanded grid method Compact grid method 13 x 4 13 x 4 13 x 4 Recall 2, 3, 4, 5, 6 and 10 times tables (Related division facts) TU x U (eg 13 x 4) Y3 40 10 x 4 = 40 3 x 4 = 12 12 Link to divisibility and multiples Expanded vertical Recall facts to 10 x 10 43 x 6 Y4 43 x 6 X 40 3 6 240 18 18 240 Multiples of numbers to 10 up to the 10th multiple ( 3 x 6) (40 x 6) Estimate first Grid method Y5 Numbers up to 1000 x 10 / 100 (whole number answers and understand the effect) Doubles of TU / HTU numbers and multiples of 10 / 100 258 [ref Multiplication grid ITP] Refine and use efficient methods: ThHTU x U ThHTU xTU HTU x U TU x TU U.t x U Proper fractions, mixed numbers x whole numbers Doubles of TU / HTU numbers [ref Arrays spreadsheet] Compact grid method HTU x U TU x U (eg 16 x 8; 43 x 6) Commutativity factors U / TU x 10 / 100 (describe the effect) Expanded vertical 47 x 36 (estimate: 50 x 40 = 2000) 47 X36 42 240 210 1200 1692 Compact vertical 43 x 6 (6x7) (6 x 40) (30 x 7) (30 x 40) 258 1 Recall quickly facts to 10 x 10 Use facts to multiply pairs of multiples of 10 / 100 Use known facts to calculate other facts [Find common multiples of two numbers] TU x U (eg 12 x 9) TU x TU (eg 16 x 25) Doubles of U.t / 0.th Multiply whole numbers / decimals by 10 / 100 / 1000 Peg boards (arrays) Grid method Use efficient methods: Ignore the decimal point and multiply as whole numbers, use estimate to put the decimal point in the right place. 5 x 6.95 Y6 Integer x U (eg 2307 x 8) Decimal x U (eg 31.6 x 7) TU x TU HTU x TU ThHTU x TU 5 600 3000 90 450 5 25 = 3465 Estimate 5 x 7 = 35 so 34.65 Expanded vertical (if necessary), move to compact (HTU x U; HTU x TU) 2327 x 8 (estimate: 2300 x 10 = 23 000) 47 X 36 282 1410 1692 2 x 6 = 12 = 1 3 12 36 3 3 digit x 2 digit using grid method 300 40 7 20 6000 800 140 4 1200 160 28 6940 + 1388 = 2328 Long multiplication Use facts up to 10 x 10 to calculate facts involving multiples of 10 / 100 (eg 80 x 30) and decimals (eg 0.8 x 7) Calculate squares of numbers to 12 x 12 Calculate corresponding squares of multiples of 10 TU x U U.t x U Integer x 1000 / 100 / 10 / 0.1 / 0.01
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